Ingredients
Method

- Measure your marshmallows into a microwave-safe bowl.

- Add the butter.

- Melt the marshmallows and butter in 30 second bursts, stirring well in between heatings. (Add vanilla at this point if using.)

- Stir in the Trix cereal and stir well to coat completely.

- Pour the mixture into a greased cake pan, and push down to form a solid layer.

- Refrigerate 2 hours or overnight, cut into squares, and serve!